Hambleside Danelaw manufacture GRP flashings, GRP profiled rooflights, wall lights and cladding, the Dryseal GRP roofing system and a range of roof, cavity and underfloor ventilation products and ancillaries. Hambleside Danelaw is an environmentally responsible manufacturer, working to reduce its production waste and carbon footprint through product innovation and sophisticated.

High-performance breather membranes at Permavent, for use in construction and roofing, are fully certified and guaranteed to offer the best protection against condensation. Following extensive testing by the British Board of Agreement (BBA), Permavent breather membranes were fully certified for use in all roofing applications. Permavent is so good at controlling condensation that it is the only 3-layer roofing breather membrane to pass the air permeability test from the Building Research Establishment (BRE).

Ulti-Mate is underpinned by a long-established injection moulding company with over 20 years’ experience in manufacturing. Most importantly the experience extends to design and improvement, ensuring all products comply to the latest standards.

Klober has over 60 years of experience and is recognised as a leading manufacturer of roofing ventilation products and accessories. Our main focus is developing products and solutions, which is why we source over 90% of our products from our own manufacturing locations throughout Europe.

Manthorpe Building Products is a multi-award winning designer, manufacturer and supplier of plastic injection moulded, vacuum formed and extruded products for the building industry, with extensive product ranges available throughout the UK.